Daily discharge volume in Acre-Feet per day for the last 14-days. Data Source: USACE
Date
S77
S78
S79
S310
S351
S352
S354
L8
S308
S80
NthLake 1
WCA1
WCA2
WCA3
ENP
09-23
0
7553
18955
-237
0
0
0
-559
0
1142
17827
3027
7682
4193
1,180.1646
09-22
0
7688
21163
-328
0
0
0
-676
0
1216
16005
3281
7757
4445
1,112.7267
09-21
0
5168
16147
-239
0
0
0
-577
0
1279
11915
2602
7662
4044
1,142.4787
09-20
0
4419
8413
-204
0
0
0
-538
0
1073
7575
1541
7321
3905
1,144.4622
09-19
0
4910
10262
-248
0
0
0
-480
0
935
6611
1511
6167
3963
1,148.4291
09-18
0
4655
8768
0
0
0
-450
0
774
5861
1406
4427
4104
864.7929
09-17
0
5636
11588
0
0
0
-175
0
739
6573
1085
3001
2951
1,023.4705
09-16
0
4656
9207
-124
0
0
0
-63
0
619
6504
851
1803
1952
1,086.9416
09-15
0
2242
7336
-141
0
0
0
-44
0
597
6270
1043
2281
2025
1,037.3548
09-14
0
2237
4876
-158
0
0
0
-262
0
480
6101
1670
2436
2075
1,027.4375
09-13
0
2287
4455
-59
0
0
0
-496
0
760
5546
1079
2311
2116
860.8260
09-12
0
2306
5450
-55
0
0
0
-595
0
1140
5332
1004
2787
2116
954.0491
09-11
0
2061
4580
-34
0
0
0
-438
0
626
5623
1263
2767
2176
959.9995
09-10
0
1653
5205
-116
0
0
0
-222
0
408
5026
954
2805
1896
963.9664
1Includes discharges from Fisheating Creek, S71, S72, S84, S84X, S65E, and S65EX1
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Average and total net discharge volume in Acre-Feet per day for the last 7-days. Data Source: USACE
Statistic
S77
S78
S79
S310
S351
S352
S354
L8
S308
S80
NthLake
WCA1
WCA2
WCA3
ENP
Average
0
5718
13614
-251
0
0
0
-494
0
1023
10338
2065
6288
3944
1,088.075
Total
0
40029
95296
-1256
0
0
0
-3455
0
7158
72367
14454
44017
27606
7,616.525
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Average and total net discharge volume in Acre-Feet per day for the last 14-days. Data Source: USACE
Statistic
S77
S78
S79
S310
S351
S352
S354
L8
S308
S80
NthLake
WCA1
WCA2
WCA3
ENP
Average
0
4105
9743
-162
0
0
0
-398
0
842
8055
1594
4372
2997
1,036.221
Total
0
57471
136405
-1943
0
0
0
-5576
0
11788
112768
22318
61206
41962
14,507.100
Lake Flows: In the past 7 days the total outflow from Lake Okeechobee was 0 AF with 0 AF to the Caloosahatchee through S-77, 0 AF through S-310 in Clewiston, and 0 AF to the EAA through S-351, S-352, and S-354. The total net inflow to the Lake was 136,878 AF (131,948 AF from Fisheating Creek, S-71, S-72,S-84s, S-65EX, and S-65EX1) with a total backflow volume of 4,930 AF from S310 and C10A. Water conservation areas received flows of 20,475 AF, 50,569 AF, and 29,387 AF at WCA1, WCA2, and WCA3, respectively. Everglades National Park received 8,394 AF.
Lake Okeechobee Level: 15.47 ft (Operational Management Band)
Lake Okeechobee daily average stage elevation for water year 2022 (WY2022) relative to the last two water years (red line) relative to the Lake Okeechobee Regulation Schedule (LORS) .
Data are provisional and subject to change.
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Stage and recession rates this time for the current and last three water years
Date (Month-Day)
Water Year
Stage (ft, NGVD29)
7-Day Recession Rate (ft 7-d⁻¹)
30-Day Recession Rate (ft 30-d⁻¹) B
09-23
2019
14.69
-0.11
0.14
09-23
2020
13.74
-0.14
0.36
09-23
2021
15.24
0.20
1.11
09-23
2022
15.25 A
0.30
0.76
A Value provided by SFWMD DBKEY:N3466
B -0.5 ft 30-d⁻¹ maximum 30-day Recession Rate for HAB Deviation
As of 09/27/2021 the mean stage elevation in Lake Okeechobee is within the Operational Low Sub- Management Band at a stage elevation of 15.47 feet (NGVD29).
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Lake Okeechobee 7-day and 30-day water level recession/ascension rates during WY2022. Negative values indicate falling water levels (recession) and positive values indicate raising water level (ascension) during this 7-day period .
Data are provisional and subject to change.
Regional Rainfall
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Weekly (09/17 - 09/23) rainfall totals along the Caloosahatchee River
Mointoring Location 1
Weekly Rainfall Total (inches) 2
S79 (WP Franklin)
2.0
S78 (Ortona)
3.6
S77 (Moore Haven)
3.7
1 Data Source: SFWMD DBHYDRO (DBKEYS 16414,15495,16415) and USACE reports
2 Based on data from 09/17/2021 - 09/23/2021
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Relative Algae Condition
Sonde monitoring locations within Lake Okeechobee conducted by SFWMD.
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Daily Chlorophyll, Phycocyanin,relative ratio of Phycocyanin (Phyco) relative to Phyco and Chlorophyll (Chl) and Turbidity within Lake Okeechobee monitored by SFWMD. Chlorophyll and Phycocyanin are plotted on log-scale. Thresholds of concern/risk identified for Chlorophyll (20 and 40 μg/L) and Phycocyanin (40 μg/L; Cotterill et al 2019 & Macário et al 2015).
Data are provisional and subject to change.
Cotterill et al (2019) Phycocyanin sensors as an early warning system for cyanobacteria blooms concentrations: a case study in the Rotorua lakes. New Zealand Journal of Marine and Freshwater Research 53:555–570.
Macário et al (2015) New insights towards the establishment of phycocyanin concentration thresholds considering species-specific variability of bloom-forming cyanobacteria. Hydrobiologia 757:155–165.
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Weekly mean water quality sonde Chlorophyll and Phycocyanin concentration at monitoring locations across Lake Okeechobee
Site
7-day Mean Chlorophyll Conc. (μg L⁻¹) 1
7-day Mean Phycocyanin Conc. (μg L⁻¹) 1
Green Algal Concern Category 2
Blue-green Algae Concern Category 3
L001
44
47
High Concern
High Concern
L005
55
81
High Concern
High Concern
L006
24
71
Warning
High Concern
LZ40
152
4
High Concern
Min. Concern
POLESOUT1
115
105
High Concern
High Concern
POLESOUT3
33
251
Warning
High Concern
1 Based on data from 09/18/2021 - 09/24/2021
2 Chlorophyll Categories: Min. Concern: values < 20 μg L⁻¹ Warning: values ≥ 20μg L⁻¹ and <40 μg L⁻¹ High Concern: values ≥ 40 μg L⁻¹
3 Phycocyanin Categories: Min. Concern: values < 40 μg L⁻¹ High Concern: values ≥ 40 μg L⁻¹
Cyanobacteria Index for Lake Okeechobee for 2021-09-27 (Data Source: NOAA NCCOS)
Caloosahatchee River Estuary
Discharge
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Fort Myers Yacht Basin salinity (SCCF-RECON) and S79 discharge (SFWMD) data for the last six months.
Data are provisional and subject to change.
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Fort Myers Yacht Basin salinity (SCCF-RECON) and S79 discharge (SFWMD) data for the last last 30 days.
Data are provisional and subject to change.
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S-77 (from Lake Okeechobee) and S-79 (to Tidal Basin) flow data along the C-43 and Caloosahatchee River. C-43 Basin Flow was calculated as the difference from S-77 and S-79.
Data are provisional and subject to change.
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Daily, 14-day moving average and 30-day moving average discharge for S-79 relative to the Northern Estuaries RECOVER performance measure and the established minimium flows and levels (MFLs) for the recent 30-day period.
Data are provisional and subject to change.
As of Sep 27, discharges conditions are within the damaging RECOVER salinity envelope.
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Cumulative discharge for S-79 (to Tidal Basin) and S-77 (from Lake Okeechobee) for the last three Florida Water Years (May - April). Day of water year is analogous to day of year with Day 1 = May 1st.
Data are provisional and subject to change.
Chlorophyll, Phycocyanin & fDOM
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Top: Daily dissolved organic matter (fluorescence DOM). Middle: Daily relative fluorescence Chlorophyll and Phycocyanin observed at the floating sensor bouy at S-79 monitoring by USGS. Bottom: The relative ratio of Phycocyanin (Phyco) relative to Phyco and Chlorophyll (Chl).
Data are provisional and subject to change.
Estuary Salinity
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Daily average bottom salinity data for the last 14-days from sampling locations within the tidal Caloosahatchee River Estuary relative to oyster health (Sanibel, Shell Point and Cape Coral) and tape grass (Vallisneria americana) health (Ft. Myers only) conditions.